Bill Bivins

A quarter of a billion dollars' worth of military hardware is on board the Alaskan railway, but a rogue gunman threatens to derail the journey.

A snowstorm and faulty equipment threatens the freight crew's journey as they race to deliver a heavy load. In the woods Jim and Nancy meet an off grid couple.

After an accident, veteran off-gridder Jim James attempts to reach the hospital by train, but obstacles may put him in jeopardy.

A communications shutdown leaves a train hurtling towards a dead zone; off-grid homesteaders tackle the challenge of living off the land in very different ways.

Tempers flare as an extra heavy train runs into brake problems and a derailment leaves maintenance teams stranded.

Meltdown: In Alaska the spring thaw puts the railroad into meltdown mode and a freight train is stalled on the line's highest bridge - the infamous Hurricane Gulch.